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Test your basic knowledge |
Biomedical Engineering Heart
Start Test
Study First
Subject
:
engineering
Instructions:
Answer 43 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Very rapid and uncoordinated ventricular beat
superior and inferior caval veins
fibrullation
epicardium
vagus nerves
2. Prevents backflow of blood from the left ventricle to the left atrium
bicuspid valve
SA node
stroke volume
superior and inferior caval veins
3. First part of the cardia conduction pathway in teh ventircles
supply the heart with oxygenated blood
SA node
ECG
bundle of His...
4. The amount of blood that returns to teh heart
right and left atria
SA node
venous return
sodium ions and water
5. Irregular heartbeats
arrhythmias
is smooth to prevent abnormal clotting within the heart
atrium
closure of the valves
6. Contraction
stenosis...
systole
fibrullation
venous return
7. Sequence of events in one heartbeat
aorta
cardiac cycle
bicuspid valve
mediastinum
8. Amount of blood pumped by a ventricle in 1 minute
bradycardia
prevent friction as the heart beats
endocardium
cardiac output
9. Difference between resting cardiac output adn maximum exercise cardiac output
right and left atria
cardiac reserve
aorta
fibrullation
10. 1st branches of teh ascending aorta
coronary arteries
pressoreceptors in teh carotid and aortic sinuses
cardiac cycle
tricuspid valve
11. Veins that return blood to the right atrium
bradycardia
superior and inferior caval veins
vagus nerves
cardiac cycle
12. Cardiac muscle tissue
myocardium
endocardium
venous return
aorta
13. Nerves that transmit impulses to decrease the heart rate are the ____
diastole
coronary veins
vagus nerves
aorta
14. The chambers of teh heart that receive blood from the veins
SA node
aorta
right and left atria
atrium
15. Heart is located here
fibrous epicardium
cardiac cycle
aorta
medial to the lungs and superior to the diaphragm
16. Upper chamber of the heart
vagus nerves
cardiac output
atrium
stenosis...
17. Normal heart sounds are caused by
superior and inferior caval veins
fibrous epicardium
mediastinum
closure of the valves
18. Coronary sinus receives blood directly from this
endocardium
diastole
coronary veins
ECG
19. Relaxation
tricuspid valve
is smooth to prevent abnormal clotting within the heart
medial to the lungs and superior to the diaphragm
diastole
20. Electical activity of the heart may be depicted in an
60-80
systole
aorta
ECG
21. Amount of blood pumped by a ventricle per beat
pressoreceptors in teh carotid and aortic sinuses
ECG
stroke volume
fibrous epicardium
22. Endocardium lines the chambers of the heart
ischemia
ECG
venous return
is smooth to prevent abnormal clotting within the heart
23. Area in the thoracic cavity between the lungs
mediastinum
right and left atria
diastole
pressoreceptors in teh carotid and aortic sinuses
24. Relaxation of chambers of the heart
vagus nerves
bundle of His...
diastole
superior and inferior caval veins
25. Visceral pericardium
is smooth to prevent abnormal clotting within the heart
myocardium
stenosis...
epicardium
26. Backflow o fblood from the arteries to the ventricles is prevented by these
systole
60-80
cardiac reserve
aortic and pulmonary semilunar valves
27. Outermost of the pericardial membranes
fibrous epicardium
endocardium
stenosis...
bicuspid valve
28. Natural pacemaker of the heart
bradycardia
epicardium
closure of the valves
SA node
29. Prevents backflow of blood from teh right ventricle to the right atrium
systole
stroke volume
tricuspid valve
bundle of His...
30. The centers that regulate heart rate located in the___
medulla
stenosis...
venous return
aorta
31. Vessel into which the left ventricle pumps blood
medial to the lungs and superior to the diaphragm
pressoreceptors in teh carotid and aortic sinuses
fibrous epicardium
aorta
32. Purpose of teh coronary vessels
supply the heart with oxygenated blood
stroke volume
SA node
bundle of His...
33. Changes in blood pressure are detected by
vagus nerves
ischemia
fibrullation
pressoreceptors in teh carotid and aortic sinuses
34. Normal range of heart rate for a healthy adult is _____ bpm
60-80
medulla
superior and inferior caval veins
mediastinum
35. Each normal heartbeat is initiated by this
vagus nerves
cardiac cycle
medial to the lungs and superior to the diaphragm
SA node
36. Narrowing of a valve
myocardium
fibrullation
stenosis...
diastole
37. Part of the myocardium is deprived of its blood supply and becomes ______
coronary veins
ischemia
is smooth to prevent abnormal clotting within the heart
superior and inferior caval veins
38. Largest artery of the body
SA node
tricuspid valve
aorta
pressoreceptors in teh carotid and aortic sinuses
39. Hormone ANP increases loss of ____in urine to decrease blood volume and blood pressure
prevent friction as the heart beats
bicuspid valve
sodium ions and water
myocardium
40. Heart chambers are lined with this
supply the heart with oxygenated blood
bicuspid valve
myocardium
endocardium
41. Contraction of chambers of the heart
mediastinum
bicuspid valve
coronary veins
systole
42. Heart rate below 60 bpm
bradycardia
SA node
right and left atria
supply the heart with oxygenated blood
43. Funciton of the serous fluid of teh pericardial membranes
superior and inferior caval veins
bradycardia
prevent friction as the heart beats
ECG